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(No Model.)

1). ASHBY.

FRUIT JAR. No. 333,715. "Patented Jan. 5. 1886.

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UNITED STATES PATENT OFFICE.

DELMAR E. ASHBY, OF SAN FRANCISCO, CALIFORNIA.

FRUIT-JAR.

SPECIFICATION forming part of Letters Patent No. 333,715, dated January5, 1886.

Application filed June 25, 1885. Serial No. 169,780.

To aZZ whom it may concern.-

Be it known that I, DELMAR E. ASHBY, of the city and county of SanFrancisco, State of California, have invented a new and usefulImprovement in Fruit-Jars, of which the following is a full, clear, andexact description, reference being had to the accompanying drawings,forming part of this specification, in which Figure 1 represents a jar,partly in section, provided with the packing and ready to receive itscap. Fig. 2 shows the cap secured to the jar.

Myinvention has for its object the hermetically sealing of canned fruitsand vegetables; and it consists of the combination of deviceshereinafter explained and claimed.

To enable others skilled in the art to make and use my invention, I willnow proceed to describe the manner in which I have carried it out.

In the drawings, A represents a glass vessel formed with two grooves, aand 19, around its neck, the groove 1) being dovetailed on its upperwall, for a purpose hereinafter explained.

Within the groove a, I place arubber packing, B, having a lip or flange,d, extending a little above the mouth of the jar, in order to secure itsdownward compression when the cap or cover is appliedto the jar. The cap0 is provided with a collar, D, of sufficient depth to reach below theupper wall of the groove 1), and which is pressed into the said grooveand close beneath the dovetailed wall of the groove described above. Byhaving the upper wall of this groove dovetailed lam enabled to draw thecap down much tighter on the mouth of thejar, and the acute angle atwhich the collar is bent inward tends to resist a much greater strainthan when merely turned below a rounded flange in the well known way.Having secured the lower edge of the collar beneath the dovetailed wallof the groove b, as shown in Fig. 2, I make an annular iden tation, e,on the collar opposite the groove (0, for the purpose of both tighteningthe cap on the jar, and of spreading or expanding the rubber packing andincreasing its efiectiveness. The rubber packing, before being appliedto the jar, is subjected to immersion in (No model.)

beeswax and rosin or other like substance in fluid condition, and whenthe jars are subjected, to the necessary heat for cooking the contentsthe heat will remelt the composition and cause it to fill up anypossible space which may have been left open by the rubber packin g.\Vhen the rubber packing has been placed in position, as shown in Fig.1, the cap 0 is forced down by clamping or otherwise, until the top ofthe cap rests upon the top of the neck of the jar, when the lower edgeof the flange or collar D is pressed under the dovetailed wall of thegroove 1), as shown in Fig. 2, thus securing the cap firmly to the jar.The groove or indentation e is then made around the collar and oppositeto the groove a, whereby any looseness in the collar is taken up and thecap is drawn down tightly on the top of the jar. Indent-ing the collarat 0 also tends to spread or expand the packing and cause it to fill anyspaces which may have been left between the jar and the cap. The centerof the cap has the usual opening, E, forthe introduction and removal ofthe fruit or other material.

Having thus described my invention,what I claim as new, and desire tosecure by Letters Patent, is

1. A jar provided with the grooves a and b, the groove 1) having itsupper wall dovetailed, in combination with the rubber packing B,provided with the lip d, and the collar D, having its lower edge bentinto the groove b, and provided with the indentation c, all constructedand arranged substantially as and for the V purpose set forth.

2. A jar provided with the grooves a and b, the groove b having itsupper wall dovetailed, in combination with the rubber packing B, coatedwith a mixture of beeswax and rosin or other equivalent substances, andthe collar D, having its lower edge turned or bent into the groove b,and provided with the indentation e, all constructed and arrangedsubstantially as and for the purpose described.

DELMAR E. ASHBY.

XVi-tnesses:

GEO. H. STRONG, S. H. NOURSE.

